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Measurement of the radiative neutron capture cross section of Pb-206 and its astrophysical implications. / Domingo-Pardo, C.; Abbondanno, U.; Aerts, G.; Alvarez, H.; Alvarez-Velarde, F.; Andriamonje, S.; Andrzejewski, J.; Assimakopoulos, P.; Audouin, L.; Badurek, G.; Baumann, P.; Becvar, F.; Berthoumieux, E.; Bisterzo, S.; Calvino, F.; Calviani, M.; Cano-Ott, D.; Capote, R.; Carrapico, C.; Cennini, P.; Chepel, V.; Chiaveri, E.; Colonna, N.; Cortes, G.; Couture, A.; Cox, J.; Dahlfors, M.; David, S.; Dillman, I.; Dolfini, R.; Dridi, W.; Duran, I.; Eleftheriadis, C.; Embid-Segura, M.; Ferrant, L.; Ferrari, A.; Ferreira-Marques, R.; Fitzpatrick, L.; Frais-Koelbl, H.; Fujii, K.; Furman, W.; Gallino, R.; Goncalves, I.; Gonzalez-Romero, E.; Goverdovski, A.; Gramegna, F.; Griesmayer, E.; Guerrero, C.; Gunsing, F.; Rauscher, T.; n TOF Collaboration.

In: Physical Review C, Vol. 76, No. 4, 045805, 10.2007.

Research output: Contribution to journalArticle

Harvard

Domingo-Pardo, C, Abbondanno, U, Aerts, G, Alvarez, H, Alvarez-Velarde, F, Andriamonje, S, Andrzejewski, J, Assimakopoulos, P, Audouin, L, Badurek, G, Baumann, P, Becvar, F, Berthoumieux, E, Bisterzo, S, Calvino, F, Calviani, M, Cano-Ott, D, Capote, R, Carrapico, C, Cennini, P, Chepel, V, Chiaveri, E, Colonna, N, Cortes, G, Couture, A, Cox, J, Dahlfors, M, David, S, Dillman, I, Dolfini, R, Dridi, W, Duran, I, Eleftheriadis, C, Embid-Segura, M, Ferrant, L, Ferrari, A, Ferreira-Marques, R, Fitzpatrick, L, Frais-Koelbl, H, Fujii, K, Furman, W, Gallino, R, Goncalves, I, Gonzalez-Romero, E, Goverdovski, A, Gramegna, F, Griesmayer, E, Guerrero, C, Gunsing, F, Rauscher, T & n TOF Collaboration 2007, 'Measurement of the radiative neutron capture cross section of Pb-206 and its astrophysical implications', Physical Review C, vol. 76, no. 4, 045805. https://doi.org/10.1103/PhysRevC.76.045805

APA

Domingo-Pardo, C., Abbondanno, U., Aerts, G., Alvarez, H., Alvarez-Velarde, F., Andriamonje, S., ... n TOF Collaboration (2007). Measurement of the radiative neutron capture cross section of Pb-206 and its astrophysical implications. Physical Review C, 76(4), [045805]. https://doi.org/10.1103/PhysRevC.76.045805

Vancouver

Domingo-Pardo C, Abbondanno U, Aerts G, Alvarez H, Alvarez-Velarde F, Andriamonje S et al. Measurement of the radiative neutron capture cross section of Pb-206 and its astrophysical implications. Physical Review C. 2007 Oct;76(4). 045805. https://doi.org/10.1103/PhysRevC.76.045805

Author

Domingo-Pardo, C. ; Abbondanno, U. ; Aerts, G. ; Alvarez, H. ; Alvarez-Velarde, F. ; Andriamonje, S. ; Andrzejewski, J. ; Assimakopoulos, P. ; Audouin, L. ; Badurek, G. ; Baumann, P. ; Becvar, F. ; Berthoumieux, E. ; Bisterzo, S. ; Calvino, F. ; Calviani, M. ; Cano-Ott, D. ; Capote, R. ; Carrapico, C. ; Cennini, P. ; Chepel, V. ; Chiaveri, E. ; Colonna, N. ; Cortes, G. ; Couture, A. ; Cox, J. ; Dahlfors, M. ; David, S. ; Dillman, I. ; Dolfini, R. ; Dridi, W. ; Duran, I. ; Eleftheriadis, C. ; Embid-Segura, M. ; Ferrant, L. ; Ferrari, A. ; Ferreira-Marques, R. ; Fitzpatrick, L. ; Frais-Koelbl, H. ; Fujii, K. ; Furman, W. ; Gallino, R. ; Goncalves, I. ; Gonzalez-Romero, E. ; Goverdovski, A. ; Gramegna, F. ; Griesmayer, E. ; Guerrero, C. ; Gunsing, F. ; Rauscher, T. ; n TOF Collaboration. / Measurement of the radiative neutron capture cross section of Pb-206 and its astrophysical implications. In: Physical Review C. 2007 ; Vol. 76, No. 4.

Bibtex

@article{6f247a53b58041779218362d0211274c,
title = "Measurement of the radiative neutron capture cross section of Pb-206 and its astrophysical implications",
abstract = "The (n,gamma) cross section of Pb-206 has been measured at the CERN n_TOF facility with high resolution in the energy range from 1 eV to 620 keV by using two optimized C6D6 detectors. In the investigated energy interval about 130 resonances could be observed, from which 61 had enough statistics to be reliably analyzed via the R-matrix analysis code SAMMY. Experimental uncertainties were minimized, in particular with respect to (i) angular distribution effects of the prompt capture gamma-rays, and to (ii) the TOF-dependent background due to sample-scattered neutrons. Other background components were addressed by background measurements with an enriched Pb-208 sample. The effect of the lower energy cutoff in the pulse height spectra of the C6D6 detectors was carefully corrected via Monte Carlo simulations. Compared to previous Pb-206 values, the Maxwellian averaged capture cross sections derived from these data are about 20{\%} and 9{\%} lower at thermal energies of 5 keV and 30 keV, respectively. These new results have a direct impact on the s-process abundance of Pb-206, which represents an important test for the interpretation of the cosmic clock based on the decay of U-238.",
keywords = "RESONANCES, CHRONOMETERS, GIANT BRANCH STARS, SYSTEM, N-TOF, ELEMENTS, S-PROCESS, NUCLEOSYNTHESIS, ABUNDANCES, EVOLUTION",
author = "C. Domingo-Pardo and U. Abbondanno and G. Aerts and H. Alvarez and F. Alvarez-Velarde and S. Andriamonje and J. Andrzejewski and P. Assimakopoulos and L. Audouin and G. Badurek and P. Baumann and F. Becvar and E. Berthoumieux and S. Bisterzo and F. Calvino and M. Calviani and D. Cano-Ott and R. Capote and C. Carrapico and P. Cennini and V. Chepel and E. Chiaveri and N. Colonna and G. Cortes and A. Couture and J. Cox and M. Dahlfors and S. David and I. Dillman and R. Dolfini and W. Dridi and I. Duran and C. Eleftheriadis and M. Embid-Segura and L. Ferrant and A. Ferrari and R. Ferreira-Marques and L. Fitzpatrick and H. Frais-Koelbl and K. Fujii and W. Furman and R. Gallino and I. Goncalves and E. Gonzalez-Romero and A. Goverdovski and F. Gramegna and E. Griesmayer and C. Guerrero and F. Gunsing and T. Rauscher and {n TOF Collaboration}",
year = "2007",
month = "10",
doi = "10.1103/PhysRevC.76.045805",
language = "English",
volume = "76",
journal = "Physical Review C",
issn = "2469-9985",
publisher = "American Physical Society",
number = "4",

}

RIS

TY - JOUR

T1 - Measurement of the radiative neutron capture cross section of Pb-206 and its astrophysical implications

AU - Domingo-Pardo, C.

AU - Abbondanno, U.

AU - Aerts, G.

AU - Alvarez, H.

AU - Alvarez-Velarde, F.

AU - Andriamonje, S.

AU - Andrzejewski, J.

AU - Assimakopoulos, P.

AU - Audouin, L.

AU - Badurek, G.

AU - Baumann, P.

AU - Becvar, F.

AU - Berthoumieux, E.

AU - Bisterzo, S.

AU - Calvino, F.

AU - Calviani, M.

AU - Cano-Ott, D.

AU - Capote, R.

AU - Carrapico, C.

AU - Cennini, P.

AU - Chepel, V.

AU - Chiaveri, E.

AU - Colonna, N.

AU - Cortes, G.

AU - Couture, A.

AU - Cox, J.

AU - Dahlfors, M.

AU - David, S.

AU - Dillman, I.

AU - Dolfini, R.

AU - Dridi, W.

AU - Duran, I.

AU - Eleftheriadis, C.

AU - Embid-Segura, M.

AU - Ferrant, L.

AU - Ferrari, A.

AU - Ferreira-Marques, R.

AU - Fitzpatrick, L.

AU - Frais-Koelbl, H.

AU - Fujii, K.

AU - Furman, W.

AU - Gallino, R.

AU - Goncalves, I.

AU - Gonzalez-Romero, E.

AU - Goverdovski, A.

AU - Gramegna, F.

AU - Griesmayer, E.

AU - Guerrero, C.

AU - Gunsing, F.

AU - Rauscher, T.

AU - n TOF Collaboration

PY - 2007/10

Y1 - 2007/10

N2 - The (n,gamma) cross section of Pb-206 has been measured at the CERN n_TOF facility with high resolution in the energy range from 1 eV to 620 keV by using two optimized C6D6 detectors. In the investigated energy interval about 130 resonances could be observed, from which 61 had enough statistics to be reliably analyzed via the R-matrix analysis code SAMMY. Experimental uncertainties were minimized, in particular with respect to (i) angular distribution effects of the prompt capture gamma-rays, and to (ii) the TOF-dependent background due to sample-scattered neutrons. Other background components were addressed by background measurements with an enriched Pb-208 sample. The effect of the lower energy cutoff in the pulse height spectra of the C6D6 detectors was carefully corrected via Monte Carlo simulations. Compared to previous Pb-206 values, the Maxwellian averaged capture cross sections derived from these data are about 20% and 9% lower at thermal energies of 5 keV and 30 keV, respectively. These new results have a direct impact on the s-process abundance of Pb-206, which represents an important test for the interpretation of the cosmic clock based on the decay of U-238.

AB - The (n,gamma) cross section of Pb-206 has been measured at the CERN n_TOF facility with high resolution in the energy range from 1 eV to 620 keV by using two optimized C6D6 detectors. In the investigated energy interval about 130 resonances could be observed, from which 61 had enough statistics to be reliably analyzed via the R-matrix analysis code SAMMY. Experimental uncertainties were minimized, in particular with respect to (i) angular distribution effects of the prompt capture gamma-rays, and to (ii) the TOF-dependent background due to sample-scattered neutrons. Other background components were addressed by background measurements with an enriched Pb-208 sample. The effect of the lower energy cutoff in the pulse height spectra of the C6D6 detectors was carefully corrected via Monte Carlo simulations. Compared to previous Pb-206 values, the Maxwellian averaged capture cross sections derived from these data are about 20% and 9% lower at thermal energies of 5 keV and 30 keV, respectively. These new results have a direct impact on the s-process abundance of Pb-206, which represents an important test for the interpretation of the cosmic clock based on the decay of U-238.

KW - RESONANCES

KW - CHRONOMETERS

KW - GIANT BRANCH STARS

KW - SYSTEM

KW - N-TOF

KW - ELEMENTS

KW - S-PROCESS

KW - NUCLEOSYNTHESIS

KW - ABUNDANCES

KW - EVOLUTION

U2 - 10.1103/PhysRevC.76.045805

DO - 10.1103/PhysRevC.76.045805

M3 - Article

VL - 76

JO - Physical Review C

JF - Physical Review C

SN - 2469-9985

IS - 4

M1 - 045805

ER -